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ingold= hspice edaboard
i am calculating logical effort of FO4 inverter in 45nm technology. i got 'tow' as 4.8ps
i got 'g' as 1(normalized). but i got p as '10'(normalized) which should be 1. what should i change to get parasitic delay as 1
** logical effort-inverter: dc analysis**
.option...
design corner in hspice
if i did not mention any design corner( TT , ss, ff) what will the hspice choose by default. is there any command to choose the design corner by keeping the same library file
carry ripple logical effort
i want to calculate the logical effort of critical path of cmos ripple carry adder
i.e from carry0 to carry4 .can any body give me some idea regarding this
logical effort of gates in spice
can any body tell me how to calculate logical effort , electrical effort and parasitic delay of an inverter or any other gate in hspice
i first calculated delay for one inverter which is 0.1ns . then i added another inverter to make h=1 and the delay now is...
thank u my friends
what u said is true i tried to do it without source by adding inital condition v(1)=vdd. but as u said the node is always being forced to be vdd . so i removed the IC and added a pulse to initial node and it worked finally. however i got a very sharp curve in dc analysis...
transcient
my professor told not to give any extrnal source/pulse to ring oscillator. so i left vin and gave .ic v(1)= vdd to start oscillation. but the last inverter in the loop went to saturation
ring oscillator
hi guys i have a problem in transcient analysis of 3 stage simple ring oscillator in 45nm cmos technology. i got dc analysis but with 3rd inverter in saturation.
i could not get transcient curves and could not measure delay parameters. this is my netlist can any body help me in...
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